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Audio Transformers / Signal Transformers

Audio Transformers & Signal Transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many signal and audio transformer manufacturers including Bourns, Coilcraft, HALO, Mini-Circuits, Pulse, Triad, Wurth, Xicon & more. Please view our large selection of audio transformers and signal transformers below.

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Part #

Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8

MET-35
Tamura
1: HK$99.79
968In Stock

Mfr. Part No.
MET-35

Mouser Part No
838-MET-35

Tamura

Audio Transformers / Signal Transformers THROUGH HOLE 600CT:8

Datasheet

968In Stock

HK$99.79

HK$87.05

HK$84.01

HK$81.30

View

Min.: 1
Mult.: 1

Audio Transformers

Terminals

300 Hz to 100 kHz

600 Ohms

8 Ohms

1 kV

- 20 C

+ 85 C

10.4 mm

7.87 mm

11.8 mm

MET

Tube

Audio Transformers / Signal Transformers 5-120MHz 1:1 Imped. 75 ohm

MABA-009852-CF1A40
MACOM
1: HK$26.30
1,721In Stock

Mfr. Part No.
MABA-009852-CF1A40

Mouser Part No
937-MABA-9852-CF1A40

MACOM

Audio Transformers / Signal Transformers 5-120MHz 1:1 Imped. 75 ohm

Datasheet

1,721In Stock

Cut Tape

HK$26.30

HK$23.84

HK$21.62

HK$20.30

Reel

HK$17.51

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Baluns

SMD/SMT

5 MHz to 300 MHz

75 Ohms

- 40 C

+ 100 C

Single

4.21 mm

2.7 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C

MABACT0040
MACOM
1: HK$27.95
3,128In Stock

Mfr. Part No.
MABACT0040

Mouser Part No
937-MABACT0040

MACOM

Audio Transformers / Signal Transformers 5-1000MHz IL 1.1dB Ctr Tap -40C +85C

Datasheet

3,128In Stock

Cut Tape

HK$27.95

HK$25.32

HK$22.85

HK$21.45

Reel

HK$18.66

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Baluns

SMD/SMT

5 MHz to 1.218 GHz

75 Ohms

- 40 C

+ 85 C

Single

4.21 mm

3.81 mm

MABA

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz

TG01-FC07N1RL
HALO Electronics
1: HK$76.04
399In Stock

Mfr. Part No.
TG01-FC07N1RL

Mouser Part No
493-TG01-FC07N1RL

HALO Electronics

Audio Transformers / Signal Transformers FIBRE CH ISO MOD SMD Dual Core 531.25MHz

Learn More

Datasheet

399In Stock

HK$76.04

HK$49.07

HK$40.03

HK$32.39

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

7.5 uH

1.5 kV

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

SMD-FIBRE

Tube

Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2

NA5730-ALD
Coilcraft
Restricted Availability

Mfr. Part No.
NA5730-ALD

Mouser Part No
994-NA5730-ALD

Coilcraft

Audio Transformers / Signal Transformers NA5730 SMT Flyback For TI TPS23751/2

Learn More

Datasheet

Restricted Availability

Flyback Transformers

Flyback

SMD/SMT

250 kHz

- 40 C

+ 125 C

Single

21 mm

20.57 mm

11.43 mm

NA5730

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A

POE21PR-33ED
Coilcraft
Restricted Availability

Mfr. Part No.
POE21PR-33ED

Mouser Part No
994-POE21PR-33ED

Coilcraft

Audio Transformers / Signal Transformers Flyback PoE 21W 21uH 3.3V 6.2A

Learn More

Datasheet

Restricted Availability

PoE Transformers

Flyback

SMD/SMT

200 kHz

21 uH

- 40 C

+ 125 C

Single

14.5 mm

13 mm

14 mm

POE21PR

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A

POE30P-33LD
Coilcraft
Restricted Availability

Mfr. Part No.
POE30P-33LD

Mouser Part No
994-POE30P-33LD

Coilcraft

Audio Transformers / Signal Transformers POE30P Flyback PoE 3uH 3.3 V 0.91 A

Learn More

Datasheet

More Info Available

Restricted Availability

PoE Transformers

Flyback

SMD/SMT

250 kHz

- 40 C

+ 85 C

Single

10.92 mm

8.6 mm

9.02 mm

POE30P

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz

PWB-2-CLC
Coilcraft
Restricted Availability

Mfr. Part No.
PWB-2-CLC

Mouser Part No
994-PWB-2-CLC

Coilcraft

Audio Transformers / Signal Transformers PWB Wideband RF 1:2 0.130-285 MHz

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

130 kHz to 285 MHz

- 40 C

+ 85 C

Single

6.77 mm

6.48 mm

4.45 mm

PWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec

SWB3010-SMLD
Coilcraft
Restricted Availability

Mfr. Part No.
SWB3010-SMLD

Mouser Part No
994-SWB3010-SMLD

Coilcraft

Audio Transformers / Signal Transformers Wideband RF, SMD 250mA 1:1sec

Learn More

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

5 kHz to 100 MHz

780 uH

500 V

- 40 C

+ 85 C

Single

13.21 mm x 7.87 mm x 5.72 mm

13.21 mm

7.87 mm

5.72 mm

SWB

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB4-1HL
Coilcraft
Restricted Availability

Mfr. Part No.
WB4-1HL

Mouser Part No
994-WB4-1HL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Tube

Audio Transformers / Signal Transformers 10BASE-T PCMCIA SMD 1:1 Filterless

TG04-2006P1RL
HALO Electronics
1: HK$57.13
276In Stock

Mfr. Part No.
TG04-2006P1RL

Mouser Part No
493-TG04-2006P1RL

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T PCMCIA SMD 1:1 Filterless

Learn More

Datasheet

276In Stock

HK$57.13

HK$40.77

HK$34.28

HK$28.52

HK$22.36

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

200 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

2.24 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port

TG110-RP55N5RLTR
HALO Electronics
1: HK$60.01
2In Stock
700Expected 2/9/2026

Mfr. Part No.
TG110-RP55N5RLTR

Mouser Part No
493-TG110-RP55N5RLTR

HALO Electronics

Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port

Learn More

Datasheet

2In Stock

700Expected 2/9/2026

Cut Tape

HK$60.01

HK$38.88

HK$31.73

HK$25.65

Reel

HK$19.97

View

MouseReel Available

Min.: 1
Mult.: 1

: 700

LAN Isolation Transformers

Module

SMD/SMT

1 MHz to 80 MHz

1.5 kV

0 C

+ 70 C

Single

SMD-16

12.7 mm

7.11 mm

6.35 mm

TG110

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2

TG75-1406NRL
HALO Electronics
1: HK$42.74
324In Stock

Mfr. Part No.
TG75-1406NRL

Mouser Part No
493-TG75-1406NRL

HALO Electronics

Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2

Learn More

Datasheet

324In Stock

HK$42.74

HK$27.45

HK$22.44

HK$18.17

View

Min.: 1
Mult.: 1

LAN Isolation Transformers

Module

SMD/SMT

140 uH

1.5 kV

- 40 C

+ 85 C

Single

SMD-16

12.7 mm

7.11 mm

5.08 mm

TG-10BT

Tube

Audio Transformers / Signal Transformers MDL,SIN,100D, 1:1 HF, SMD, T&R

HB3005HLT
Pulse Electronics
1: HK$28.93
784In Stock

Mfr. Part No.
HB3005HLT

Mouser Part No
673-HB3005HLT

Pulse Electronics

Audio Transformers / Signal Transformers MDL,SIN,100D, 1:1 HF, SMD, T&R

Learn More

Datasheet

784In Stock

Cut Tape

HK$28.93

HK$23.43

HK$20.96

HK$20.30

Reel

HK$18.74

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN Discrete Modules

SMD/SMT

1.5 kVrms

0 C

+ 70 C

Single

12.8 mm

9.3 mm

5.7 mm

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C

ALANS100X1-2F30DT
ABRACON
1: HK$22.28
634In Stock

Mfr. Part No.
ALANS100X1-2F30DT

Mouser Part No
815-ALANS100X12F30DT

ABRACON

Audio Transformers / Signal Transformers LAN 1 Port 10/100 Base-TX T,C

Learn More

Datasheet

634In Stock

Cut Tape

HK$22.28

HK$18.17

HK$16.44

HK$15.86

Reel

HK$10.03

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

LAN Transformers

LAN

SMD/SMT

100 kHz to 100 MHz

350 uH

- 40 C

+ 85 C

Dual

12.8 mm

6.9 mm

5.45 mm

ALANS100X1

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers C1589 TI LM5070 7uH 12 V 0.6 A

C1589-ALD
Coilcraft
Restricted Availability

Mfr. Part No.
C1589-ALD

Mouser Part No
994-C1589-ALD

Coilcraft

Audio Transformers / Signal Transformers C1589 TI LM5070 7uH 12 V 0.6 A

Learn More

Datasheet

Restricted Availability

Flyback Transformers

Flyback

SMD/SMT

250 kHz

155 uH

1.5 kV

- 40 C

+ 85 C

12.7 mm

10.5 mm

11 mm

C1589

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers 120W POE Planar 5V 24A 50uH

POE120PL-50L
Coilcraft
Restricted Availability

Mfr. Part No.
POE120PL-50L

Mouser Part No
994-POE120PL-50L

Coilcraft

Audio Transformers / Signal Transformers 120W POE Planar 5V 24A 50uH

Learn More

Datasheet

Restricted Availability

PoE Transformers

SMD/SMT

200 kHz

50 uH

1.5 kV

- 40 C

+ 125 C

1 Channel

23.37 mm x 20.83 mm x 9.53 mm

23.37 mm

20.83 mm

9.53 mm

POE120PL

Tray

Audio Transformers / Signal Transformers Flyback PoE 51W 26.7uH 5V 4.5A

POE51Q-50ED
Coilcraft
Restricted Availability

Mfr. Part No.
POE51Q-50ED

Mouser Part No
994-POE51Q-50ED

Coilcraft

Audio Transformers / Signal Transformers Flyback PoE 51W 26.7uH 5V 4.5A

Learn More

Datasheet

Restricted Availability

PoE Transformers

Flyback

SMD/SMT

250 kHz

26.7 uH

- 40 C

+ 125 C

Single

14.5 mm

13 mm

14 mm

POE40Q

Reel, Cut Tape, MouseReel

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB1-1TL
Coilcraft
Restricted Availability

Mfr. Part No.
WB1-1TL

Mouser Part No
994-WB1-1TL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Pin Terminal Transformers

Through Hole

100 kHz to 375 MHz

25 uH, 25 uH

500 V

- 40 C

+ 85 C

Single

8.26 mm

7.24 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB1-6TL
Coilcraft
Restricted Availability

Mfr. Part No.
WB1-6TL

Mouser Part No
994-WB1-6TL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

SMD/SMT

50 kHz to 200 MHz

70 uH, 70 uH

500 V

- 40 C

+ 85 C

Single

8.26 mm

7.24 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB13-1TL
Coilcraft
Restricted Availability

Mfr. Part No.
WB13-1TL

Mouser Part No
994-WB13-1TL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB16-1L
Coilcraft
Restricted Availability

Mfr. Part No.
WB16-1L

Mouser Part No
994-WB16-1L

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Through Hole

50 kHz to 100 MHz

56 uH, 896 uH

500 V

- 40 C

+ 85 C

Single

8.26 mm

7.24 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB2-1TL
Coilcraft
Restricted Availability

Mfr. Part No.
WB2-1TL

Mouser Part No
994-WB2-1TL

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB36-1L
Coilcraft
Restricted Availability

Mfr. Part No.
WB36-1L

Mouser Part No
994-WB36-1L

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Through Hole

100 kHz to 45 MHz

25 uH, 900 uH

500 V

- 40 C

+ 85 C

Single

8.26 mm

7.24 mm

5.72 mm

Tube

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

WB4-6L
Coilcraft
Restricted Availability

Mfr. Part No.
WB4-6L

Mouser Part No
994-WB4-6L

Coilcraft

Audio Transformers / Signal Transformers WB SMT RF Trnsfmr Wideband 0.25W

Datasheet

Restricted Availability

RF Transformers

Tube

Audio Transformers / Signal Transformers

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ABRACON
Amphenol
Bel
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10 / 100 Base-TX
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10 Hz to 30 kHz
20 Hz to 20 kHz
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30 Hz to 30 kHz
50 Hz to 10 kHz
50 Hz to 12 kHz
50 Hz to 15 kHz
50 Hz to 19 kHz
50 Hz to 60 Hz
70 Hz to 11 kHz
70 Hz to 15 kHz
100 Hz to 100 MHz
100 Hz to 15 kHz
100 Hz to 9 kHz
150 Hz to 15 kHz
200 Hz
200 Hz to 15 kHz
200 Hz to 3.5 kHz
200 Hz to 4 kHz

60 nH
100 nH
200 nH
300 nH
330 nH
400 nH
500 nH
600 nH
700 nH
800 nH
900 nH
1 uH, 342 uH
1.2 uH
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2.5 uH
2.925 uH, 5.85 uH
3.75 uH
4 uH
5 uH
6 uH, 17 uH

100 mOhms
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700 mOhms
700 mOhms, 700 mOhms
800 mOhms
800 mOhms, 800 mOhms
900 mOhms
1 Ohms
1 Ohms, 1 Ohms
1 Ohms, 2 Ohms
1.7 Ohms, 1.7 Ohms
2.4 Ohms
3 Ohms
3.2 Ohms
7.5 Ohms/30 Ohms
8 Ohms
12 Ohms, 48 Ohms
20 Ohms

65 mOhms
500 mOhms
700 mOhms
1 Ohms
1 Ohms, 1 Ohms
1 Ohms, 2 Ohms
1.1 Ohms
1.2 Ohms, 1 Ohms
1.5 Ohms to 15 Ohms
2 Ohms
2 Ohms, 1.7 Ohms
2 Ohms, 4 Ohms, 8 Ohms
2.4 Ohms
2.5 Ohms
3.2 Ohms
4 Ohms
4 Ohms, 16 Ohms
4 Ohms, 8 Ohms
4 Ohms, 8 Ohms, 16 Ohms
4.2 Ohms

100 mV
50 V
100 V
100 VDC
100 Vrms
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500 V
500 Vrms
700 V
1 kV
1.5 kV
1.5 kVAC
1.5 kVDC
1.5 kVrms
1500 Vrms
1.501 kVAC
1.75 kVDC
1.8 kVAC, 2.5 kVDC
1.875 kV
1.875 kVAC

0.5 in x 0.38 in x 0.236 in
0.63 in x 0.566 in x 0.598 in
0.69 in x 0.48 in x 0.225 in
0.82 in x 0.68 in x 0.69 in
0.86 in x 0.71 in x 0.75 in
0402 (1005 metric)
0805 (2012)
1.33 in x 1.64 in x 0.85 in
1.35 in x 0.69 in x 0.69 in
1.63 in x 0.88 in x 0.81 in
10.4 mm x 7.87 mm
10.4 mm x 7.87 mm x 11.8 mm
10.6 mm x 9.08 mm x 10 mm
12.7 mm x 6.99 mm x 5.08 mm
12.7 mm x 8.89 mm x 6.35 mm
12.7 mm x 9.09 mm x 5.99 mm
13.21 mm x 7.87 mm x 5.72 mm
13.3 mm x 7.4 mm
13.64 mm x 14.99 mm x 6.22 mm
13.97 mm x 12.57 mm x 4.57 mm

0.5 mm
1 mm
1.25 mm
1.6 mm
2 mm
2.54 mm
2.55 mm
3.048 mm
3.2 mm
3.45 mm
3.51 mm
3.74 mm
3.81 mm
3.97 mm
4 mm
4.02 mm
4.06 mm
4.064 mm
4.19 mm
4.21 mm

0.51 mm
0.79 mm
1.16 mm
1.2 mm
1.24 mm
1.27 mm
1.42 mm
1.524 mm
1.6 mm
1.69 mm
1.75 mm
1.78 mm
2 mm
2.5 mm
2.54 mm
2.6 mm
2.69 mm
2.79 mm
2.9 mm
3 mm

0.38 mm
0.414 mm
0.53 mm
0.61 mm
0.84 mm
0.939 mm
1.1 mm
1.2 mm
1.73 mm
1.88 mm
1.98 mm
2 mm
2.08 mm
2.083 mm
0.082 in
2.1 mm
2.2 mm
2.24 mm
2.3 mm
2.31 mm

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102
104
106
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108
109
117
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124 Series
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140
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149